Backaskog Threshold Days by Year (SWE00137646)

3 fixed thresholds counted per year at Backaskog (SWE00137646): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Backaskog Thresholds

Backaskog: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1968 with 17.
Backaskog: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1959 with 6.
Backaskog: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1959 with 3.
3 fixed thresholds have at least one qualifying day at Backaskog.

Days with 10 mm (0.39 in) or more of precipitation

32 years with a qualifying day

Days per year at Backaskog with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1968.

Days with 10 mm (0.39 in) or more of precipitation per year at Backaskog
Year	Days	Decade average
1958	13	13.5
1959	14	13.5
1960	16	13.2
1961	13	13.2
1962	14	13.2
1963	13	13.2
1964	4	13.2
1965	15	13.2
1966	16	13.2
1967	15	13.2
1968	17	13.2
1969	9	13.2
1970	16	10.3
1971	6	10.3
1972	9	10.3
1973	10	10.3
1974	12	10.3
1975	10	10.3
1976	8	10.3
1977	13	10.3
1978	9	10.3
1980	11	10.9
1981	15	10.9
1982	9	10.9
1983	13	10.9
1984	11	10.9
1985	9	10.9
1986	9	10.9
1988	12	10.9
1989	9	10.9
1990	14	14
1991	14	14

For each year, a bar from the first to the last day at Backaskog meeting 10 mm (0.39 in).

First to last qualifying date each year at Backaskog
Year	First date	Last date
1958	1958-01-09	1958-11-01
1959	1959-04-10	1959-12-04
1960	1960-01-18	1960-12-22
1961	1961-05-26	1961-12-04
1962	1962-01-22	1962-11-29
1963	1963-02-03	1963-11-24
1964	1964-06-02	1964-12-20
1965	1965-04-18	1965-12-18
1966	1966-01-01	1966-12-29
1967	1967-01-22	1967-12-23
1968	1968-01-11	1968-12-23
1969	1969-02-12	1969-11-04
1970	1970-03-22	1970-12-02
1971	1971-03-20	1971-11-18
1972	1972-03-09	1972-11-13
1973	1973-01-22	1973-09-25
1974	1974-01-15	1974-12-11
1975	1975-04-06	1975-11-28
1976	1976-04-04	1976-12-18
1977	1977-01-12	1977-12-27
1978	1978-06-07	1978-12-25
1980	1980-01-30	1980-12-31
1981	1981-02-10	1981-11-27
1982	1982-01-04	1982-12-15
1983	1983-02-05	1983-12-09
1984	1984-01-24	1984-11-22
1985	1985-01-31	1985-12-15
1986	1986-01-19	1986-12-19
1988	1988-01-06	1988-10-17
1989	1989-07-13	1989-12-21
1990	1990-01-25	1990-11-26
1991	1991-01-08	1991-12-23

Every Fixed Threshold

Fixed thresholds at Backaskog
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	32	17	1968	14
25 mm (0.98 in): Days with 25 mm or more rain	23	6	1959	2
50 mm (1.97 in): Days with 50 mm or more rain	2	3	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Backaskog threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Backaskog Threshold Days by Year (SWE00137646)

Key Facts for Backaskog Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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